Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Soft-Boiled  
- Seismic Toss  
- Teleport  
- Stealth Rock  

Melmetal @ Rocky Helmet  
Ability: Iron Fist  
EVs: 252 HP / 52 Atk / 188 Def / 16 SpD  
Impish Nature  
- Scald  
- Soft-Boiled  
- Double Iron Bash  
- Thunder Punch  

Azumarill @ Sitrus Berry  
Ability: Huge Power  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Belly Drum  
- Extreme Speed  
- Aqua Jet  
- Play Rough  

Regieleki @ Choice Specs  
Ability: Transistor  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 Atk  
- Hydro Pump  
- Volt Switch  
- Shadow Ball  
- Thunderbolt  

Tapu Lele @ Choice Scarf  
Ability: Psychic Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Expanding Force  
- Moonblast  
- Psyshock  

Mew @ Heavy-Duty Boots  
Ability: Synchronize  
EVs: 252 HP / 164 Def / 92 SpD  
Careful Nature  
- Defog  
- Roost  
- U-turn  
- Thunder Wave